Certain functions of Everygamegoing are only available when you are logged into the site itself.
If this is your first visit, click the Register button. It takes only a few seconds to register but opens up the entirety of the site, allowing you to buy, sell, make offers, contact other users, collect and do much more advanced searches.
Choose Log In if you have already registered with the site previously. You will then be prompted for your username and password.